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Finding the Fourth Proportional to 235,103.41, 324,462.81 and 133,146.91

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Solution

The fourth proportional to 235,103.41, 324,462.81 and 133,146.91 is: 183,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,103.41 : 324,462.81 = 133,146.91 : x
  2. Step 2: Convert to fraction form
    235,103.41/324,462.81 = 133,146.91/x
  3. Step 3: Cross multiply
    235,103.41x = 324,462.81 × 133,146.91
  4. Step 4: Simplify right side
    235,103.41x = 43,201,220,561.42
  5. Step 5: Solve for x
    x = 43,201,220,561.42/235,103.41
  6. Step 6: Final answer
    x = 183,754.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.